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1. For each of the following, write down the equation that is used to calculate the amount of matter present in the system, and describe what quantity shows the measurements are consistent with a large amount of dark matter: a. Galaxy Velocity distributions in clusters of galaxies b. ICM measurements in clusters of galaxies c. Galaxy rotation curves in other galaxies d. Gravitational Lensing in clusters of galacxies
q. consider an infinite wire with radius r that carries a current ia compute b r for r lt rconsider a large parallel
An air-filled capacitor consists of two parallel plates, each with an area of 7.60 cm2, separated by a distance of 1.70 mm, Calculate the electric field between the plates and Calculate the capacitance
A 12.0-cm diameter loop of wire is initially oriented perpendicular to a 1.5-T magnetic filed. What is the average induced emf in the loop
Susie is out fishing on a calm, sunny day. She hooks an old tire that is resting on the lake bottom, and hauls it into her boat
A body slides down a plane inclined at 40 degrees to the horizontal, with an acceleration of 2.3 meters/second^2. Determine the coefficient of kinetic friction
Light of wavelength 550. nm in air is found to travel at 1.96x10^8 m/s in a certain liquid. Determine the frequency of the light in air
An electron in a television picture tube has a classical kinetic energy of 60 keV, which is the kinetic energy that Newton would calculate using the measured speed, What is the actual kinetic energy of the electron
Volcanoes on the Earth eject rocks at speeds of up to 160 m/s. Consider a 1260 m high volcano that ejects rocks in all directions. What is the maximum height above sea level reached through rocks.
How much work is done by the horizontal force F_p = 150 N on the 18 kg block of the figure when the force pushes the block 5.5 m up along the 32 degree frictionless incline
What is the smallest thickness of a soap film (n = 1.33) that would appear black if illuminated with 450 -nm light? suppose there is air on both sides of the soap film.
Two forces act on a 100-kg block resting on the floor. The first force, pointing parallel to the floor, What is the magnitude of the net force on the block
Explain how does a magnitude of the electrical force between a pair of charged particles change when they are brought to half their original distance of seperation?
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